Storm Curved Sword - Darksouls3

Found Guts's sword in Dark Souls 3 along with messages left by

Onyx Blade Dark Souls 3 Wiki

The Dark Sword is Dark Souls 3's best weapon - here's how to get it

I don't know if you guys know this but you can do this visual trick using the Untrue Dark Ring, works for Frozen Blade, Magic Blade and Dark Blade that I know

Dark Sword Moveset (Dark Souls 3)

Dark Souls 3: The 14 Best Straight Swords, Ranked

Dark Souls III Guide/Walkthrough - Weapon Arts

Best Pyro Gear For Dark Souls 3: Weapons, Spells & Build Ideas – FandomSpot

Black Knight Sword (Dark Souls III), Dark Souls Wiki

Onyx Blade - Dark Souls 3: Ashes of Ariandel